How can variables be added directly after another variable in a string in PHP without causing conflicts or errors?

When adding variables directly after another variable in a string in PHP, you should enclose the entire expression in curly braces to avoid conflicts or errors. This ensures that PHP interprets the variables correctly and inserts their values into the string without any issues. 

// Example of adding variables directly after another variable in a string in PHP
$name = "John";
$age = 30;

// Using curly braces to insert variables into a string
echo "My name is {$name} and I am {$age} years old.";

Keywords

PHP concatenation variables string conflicts

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